package thread;

import java.util.concurrent.atomic.AtomicInteger;

public class Demo39 {
    // 使用原子类, 代替 int
    // private static int count = 0;
    private static AtomicInteger count = new AtomicInteger(0);

    public static void main(String[] args) {
        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                // count++;
                count.getAndIncrement();
                // ++count;
                // count.incrementAndGet();
                // count += n;
                // count.addAndGet(n);
            }
        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 50000; i++) {
                count.getAndIncrement();
            }
        });
        t1.start();
        t2.start();
        try {
            t1.join();
            t2.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("Count: " + count.get());
    }
}

